Putter head



FIG. 1 is a top front perspective view of the putter head showing my new design;

FIG. 2 is a front elevation view thereof, with the rear elevation view being a mirror image thereof;

FIG. 3 is a right elevation view thereof, with the left elevation view being a mirror image thereof;

FIG. 4 is a top elevation view thereof; and,

FIG. 5 is a bottom elevation view thereof.

The broken lines in FIGS. 1-3 showing the putter head illustrates environment and forms no part of the claim. 

CLAIM The ornamental design for a putter head, as shown and described. 